CN223635341U

CN223635341U - Water leakage-proof fire valve

Info

Publication number: CN223635341U
Application number: CN202520166436.1U
Authority: CN
Inventors: 邓先兵
Original assignee: Sichuan Yue'an Fire Technology Co ltd
Current assignee: Sichuan Yue'an Fire Technology Co ltd
Priority date: 2025-01-24
Filing date: 2025-01-24
Publication date: 2025-12-05
Anticipated expiration: 2035-01-24

Abstract

The utility model discloses a water leakage preventing fire valve, which comprises a valve body, wherein a vertical pipe is arranged at the upper end of the valve body, a baffle is fixedly arranged on the inner wall of the vertical pipe, a sliding rod is slidably arranged at the middle position of the baffle, a sealing plug is arranged at the bottom of the sliding rod, the upper end of the sliding rod penetrates through the baffle and is provided with a collision block, a reset spring is fixedly arranged between the collision block and the baffle, a valve cover is arranged at the upper end of the vertical pipe, a threaded rod is arranged at the middle position of the valve cover, the threaded rod is in threaded connection with the valve cover, a jacking block is rotatably arranged at the bottom of the threaded rod, so that a user can drive the threaded rod to lift the jacking block by rotating a hand wheel so as to separate from the sealing plug, the reset spring jacks the sealing plug at the moment, the valve is in an open state, and a sealing ring at the upper end of the sealing plug also enters a sealing groove at the lower end of the baffle so as to shield the connection position of the threaded rod with the baffle, and water leakage is prevented.

Description

Water leakage-proof fire valve

Technical Field

The utility model relates to the technical field of fire control valves, in particular to a water leakage prevention fire control valve.

Background

The valve is a pipeline accessory for opening and closing a pipeline, controlling flow direction, adjusting and controlling parameters (temperature, pressure and flow rate) of a conveying medium, and can be divided into a shutoff valve, a check valve, a regulating valve and the like according to the functions of the valve, and the fire-fighting valve is an important accessory for controlling industrial and building pipelines and is used for a fluid control system, and various types and specifications of the valves range from the simplest shutoff valve to various valves used in a very complex automatic control system.

However, in the use process of the existing fire control valve, as the connecting position of the control rod and the valve cover adopts a threaded mode, after the plugging plug is lifted in the control process, water flows out from the connecting position of the valve cover and the threaded rod, so that the water leakage phenomenon occurs;

In addition, the fire-fighting valve is generally fixed through the flange plates in the installation process, and most of the flange plates at two sides of the existing valve are of fixed types, so that when the existing valve is connected with pipelines of different types, the problem of connection failure easily occurs, and normal use is affected.

Disclosure of utility model

(One) solving the technical problems

Aiming at the problems in the prior art, the utility model provides a water-leakage-proof fire valve, which aims to solve the technical problem that water flows out from the connecting position of a valve cover and a threaded rod after a plugging plug in the background art is lifted.

(II) technical scheme

The technical scheme is that the anti-leakage fire valve comprises a valve body, wherein a vertical pipe is arranged at the upper end of the valve body, a baffle is fixedly arranged on the inner wall of the vertical pipe, a sliding rod is slidably arranged at the middle position of the baffle, a sealing plug is arranged at the bottom of the sliding rod, the upper end of the sliding rod penetrates through the baffle and is provided with a collision block, a reset spring is fixedly arranged between the collision block and the baffle, a valve cover is arranged at the upper end of the vertical pipe, a threaded rod is arranged at the middle position of the valve cover and is in threaded connection with the valve cover, a top block is rotatably arranged at the bottom of the threaded rod, a hand wheel is fixedly arranged at the upper end of the threaded rod, outer connecting pipes are arranged at two ends of the valve body, and sleeves are arranged at one ends of the outer connecting pipes.

The utility model is further characterized in that the inside of the sleeve is movably provided with the mounting sleeve, the outer wall of the mounting sleeve is fixedly provided with the guide pipe, one end of the guide pipe is provided with the flange plate, the outer wall of the sleeve is provided with threaded holes at the upper side and the lower side, the outer wall of the mounting sleeve is correspondingly provided with the connecting holes, and the threaded holes and the inside of the connecting holes are respectively provided with the connecting screws, so that the flange plate can be conveniently detached and replaced.

The utility model is further characterized in that a plug block is fixedly arranged on one side surface of the mounting sleeve, plug grooves are correspondingly formed in the inner wall of the sleeve, the plug blocks are positioned in the plug grooves, rubber pads are arranged at the connection positions of the sleeve and the mounting sleeve, and the sealing performance of the connection positions of the mounting sleeve and the sleeve is convenient to increase.

The utility model is further characterized in that a transition block is fixedly arranged in the middle of the valve body, a through hole is formed in the upper end face of the transition block, a rubber ring is arranged in the through hole, a sealing block is fixedly arranged at the bottom of the plugging plug, and the sealing block can enter the rubber ring, so that the valve is in a closed state conveniently.

The sealing block is further provided with the first conical surface positioned on the inner wall of the rubber ring and positioned at the upper end, the outer wall of the sealing block is correspondingly provided with the second conical surface, the inclination of the first conical surface is equal to that of the second conical surface, and the sealing property between the sealing block and the rubber ring is convenient to increase.

The utility model is further arranged such that the diameter of the outer wall of the plug is equal to the diameter of the inner wall of the standpipe.

The utility model is further characterized in that the upper end face of the sealing plug is fixedly provided with a sealing ring, the lower end face of the baffle is provided with a sealing groove, and the sealing ring is positioned in the sealing groove, so that the sealing performance between the sealing plug and the baffle is improved.

The utility model further provides that a sealing ring is arranged at the connection position of the sealing ring and the sealing groove.

(III) beneficial effects

Compared with the prior art, the utility model provides a water leakage-proof fire valve, which comprises the following components

The beneficial effects are that:

1. Through setting up and sealing up, contradicting piece, baffle and threaded rod to the user can make the threaded rod drive the kicking block through rotating the hand wheel and rise, so that it breaks away from the contradicting piece, and reset spring just can stretch out in order to jack up the shutoff stopper this moment, makes this valve be in open condition, and the sealing ring of shutoff upper end also can enter into in the middle of the seal groove of baffle lower extreme simultaneously, with shelter from the hookup location of threaded rod and baffle, prevents the phenomenon that leaks.

2. Through setting up sleeve, installation cover and pipe to the user can come to split sleeve and installation cover through dismantling connecting screw, with dismantle and change the ring flange, and then increase the flexibility of device when the installation, in order to be convenient to be connected with the external pipeline of different models, and through setting up joint piece and jack groove, can increase the leakproofness of installation cover and sleeve hookup location, prevent the problem that leaks.

3. Through setting up through-hole, rubber circle, first conical surface and second conical surface to when the sealing block of shutoff stopper bottom descends the inside of rubber circle, the second conical surface on the sealing block outer wall just can contact with the first conical surface on the rubber circle inner wall this moment, and contradicts each other, with the leakproofness that increases to seal to stop up with transition piece hookup location, prevent still having the phenomenon emergence that rivers flow after the closure.

Drawings

FIG. 1 is an overall schematic view of a water leak-proof fire valve in an unused state;

FIG. 2 is an overall cross-sectional view of a water-tight fire valve;

FIG. 3 is an exploded view of the installation of a baffle, slide rod, plug, interference block and seal ring;

FIG. 4 is a schematic view of the position of the first conical surface on the rubber ring;

FIG. 5 is an exploded view of the installation of the extension tube, the installation sleeve, the guide tube, the rubber pad and the connecting screw on the valve body.

1, A valve body, 2, a vertical pipe, 3, a baffle plate, 4, a sliding rod, 5, a plugging plug, 6, a collision block, 7, a reset spring, 8, a valve cover, 9, a threaded rod, 10, a top block, 11, a hand wheel, 12, an external pipe, 13, a sleeve, 14, a mounting sleeve, 15, a conduit, 16, a flange plate, 17, a threaded hole, 18, a connecting hole, 19, a connecting screw, 20, an inserting block, 21, an inserting groove, 22, a rubber pad, 23, a transition block, 24, a through hole, 25, a rubber ring, 26, a sealing block, 27, a first conical surface, 28, a second conical surface, 29, a sealing ring, 30, a sealing groove, 31 and a sealing ring.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally in the directions shown in the drawings or in the vertical, vertical or gravitational directions, and similarly, for convenience of understanding and description, the terms "left" and "right" are used generally in the directions shown in the drawings, and the terms "inner" and "outer" are used to refer to the inner and outer sides with respect to the outline of each component itself, but the terms of orientation are not intended to limit the present utility model.

Referring to fig. 1-5, a water leakage preventing fire valve comprises a valve body 1, a vertical pipe 2 is arranged at the upper end of the valve body 1, a baffle 3 is fixedly arranged on the inner wall of the vertical pipe 2, a sliding rod 4 is slidably arranged at the middle position of the baffle 3, a sealing plug 5 is arranged at the bottom of the sliding rod 4, the upper end of the sliding rod 4 penetrates through the baffle 3 and is provided with a collision block 6, a reset spring 7 is fixedly arranged between the collision block 6 and the baffle 3, a valve cover 8 is arranged at the upper end of the vertical pipe 2, a threaded rod 9 is arranged at the middle position of the valve cover 8, the threaded rod 9 is in threaded connection with the valve cover 8, a top block 10 is rotatably arranged at the bottom of the threaded rod 9, a hand wheel 11 is fixedly arranged at the upper end of the valve body 1, an external connecting pipe 12 is respectively arranged at two ends of the valve body 1, a sleeve 13 is respectively arranged at one end of the external connecting pipe 12, and the diameter of the external wall of the sealing plug 5 is equal to the diameter of the inner wall of the vertical pipe 2.

In this embodiment, the inside of sleeve 13 all activity is equipped with installation cover 14, all fix on the outer wall of installation cover 14 and be equipped with pipe 15, the one end of pipe 15 all is equipped with ring flange 16, threaded hole 17 has all been seted up to both sides about and on the outer wall of sleeve 13, connecting hole 18 has been seted up to the correspondence on the outer wall of installation cover 14, the inside of threaded hole 17 and connecting hole 18 all is equipped with connecting screw 19, a side of installation cover 14 all is fixed and is equipped with grafting piece 20, grafting groove 21 has all been seted up to the correspondence on the inner wall of sleeve 13, grafting piece 20 all is located the inside of grafting groove 21, sleeve 13 all is equipped with rubber pad 22 with the hookup location of installation cover 14.

More specifically, the user can make threaded rod 9 drive kicking block 10 rise through rotating hand wheel 11 to make it break away from conflict piece 6, reset spring 7 just can stretch out in order to jack up shutoff head 5 this moment, make this valve be in open condition, seal ring 29 that shutoff head 5 upper end also can enter into among the seal groove 30 of baffle 3 lower extreme simultaneously, in order to shelter from threaded rod 9 and baffle 3's hookup location, prevent the phenomenon that appears leaking, when needs change ring flange 16, can dismantle ring flange 16 come down this moment, with change it, and then increase the flexibility of the device when the installation, in order to be connected with the external pipeline of different models, and through setting up plug block 20 and jack groove 21, can increase the leakproofness of the hookup location of installation cover 14 and sleeve 13, prevent the problem that appears leaking.

Referring to fig. 2-4, as an embodiment for increasing the tightness between the sealing plug 5 and the rubber ring 25, a transition block 23 is fixedly arranged at the middle position of the valve body 1, a through hole 24 is formed in the upper end face of the transition block 23, the rubber ring 25 is arranged in the through hole 24, a sealing block 26 is fixedly arranged at the bottom of the sealing plug 5, the sealing block 26 can enter the rubber ring 25, a first conical surface 27 is arranged on the inner wall of the rubber ring 25 and positioned at the upper end, a second conical surface 28 is correspondingly arranged on the outer wall of the sealing block 26, and the inclination of the first conical surface 27 and the second conical surface 28 are equal.

Specifically, when the sealing block 26 at the bottom of the plugging plug 5 descends into the rubber ring 25, the second conical surface 28 on the outer wall of the sealing block 26 contacts with the first conical surface 27 on the inner wall of the rubber ring 25 and contacts with each other, so as to increase the tightness of the connection position between the plugging plug 5 and the transition block 23, and prevent the phenomenon that water flows after closing.

Referring to fig. 3 and 4, as a further embodiment for increasing the tightness between the baffle 3 and the plug 5, a sealing ring 29 is fixedly arranged on the upper end surface of the plug 5, a sealing groove 30 is formed on the lower end surface of the baffle 3, the sealing ring 29 is located in the sealing groove 30, and a sealing ring 31 is arranged at the connection position of the sealing ring 29 and the sealing groove 30.

Specifically, when the valve is in the open state, the sealing property between the baffle 3 and the plug 5 can be increased, and leakage of water from the connection position of the threaded rod 9 can be prevented.

In summary, when the whole device is used, a user can rotate the hand wheel 11 to enable the threaded rod 9 to drive the jacking block 10 to ascend so as to separate from the abutting block 6, at this time, the reset spring 7 stretches out to jack up the plugging block 5, so that the valve is in an open state, meanwhile, the sealing ring 29 at the upper end of the plugging block 5 can enter the sealing groove 30 at the lower end of the baffle 3, so as to block the connection position of the threaded rod 9 and the baffle 3, water leakage is prevented, when the flange 16 needs to be replaced, the sleeve 13 and the mounting sleeve 14 can be detached through the detachment connecting screw 19, at this time, the flange 16 can be detached so as to replace the flange 16, further, the flexibility of the device in installation is increased, so as to facilitate connection with external pipelines of different types, and the sealing performance of the connection position of the mounting sleeve 14 and the sleeve 13 can be increased through the arrangement of the plugging block 20 and the plugging groove 21, at this time, the problem of water leakage is prevented, when the sealing block 26 at the bottom of the plugging block 5 descends into the rubber ring 25, the second conical surface 28 on the outer wall of the sealing block 26 can be detached from being in contact with the first conical surface 25, and the sealing block 23 can still be prevented from being in contact with the sealing position of the sealing block 25, and then the sealing plug is still in contact with the sealing position of the sealing ring.

In all the above mentioned solutions, in which the connection between two components can be chosen according to the actual situation, a welded, bolt-and-nut-fitted connection, a bolt-or-screw connection or other known connection means, which are not described in detail herein, where reference is made to a written fixed connection, the preferred consideration is welding, although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that numerous variations, modifications, substitutions and alterations can be made to these embodiments without departing from the principle and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a fire control valve of leak protection water, includes valve body (1), characterized by, the upper end of valve body (1) is equipped with standpipe (2), fixedly on the inner wall of standpipe (2) be equipped with baffle (3), the intermediate position of baffle (3) slides and is equipped with slide bar (4), the bottom of slide bar (4) is equipped with seals stopper (5), the upper end of slide bar (4) passes baffle (3) and is equipped with conflict piece (6), fixedly between conflict piece (6) and baffle (3) is equipped with reset spring (7), the upper end of standpipe (2) is equipped with valve gap (8), the intermediate position of valve gap (8) is equipped with threaded rod (9), threaded rod (9) and valve gap (8) threaded connection, the bottom rotation of threaded rod (9) is equipped with kicking block (10), and the upper end is fixedly equipped with hand wheel (11), the both ends of valve body (1) all are equipped with outer takeover (12), the one end of outer takeover (12) all is equipped with sleeve (13).

2. The leakproof fire valve according to claim 1, wherein the inside of the sleeve (13) is movably provided with a mounting sleeve (14), the outer wall of the mounting sleeve (14) is fixedly provided with a guide pipe (15), one end of the guide pipe (15) is provided with a flange plate (16), threaded holes (17) are formed in the outer wall of the sleeve (13) and located on the upper side and the lower side, connecting holes (18) are correspondingly formed in the outer wall of the mounting sleeve (14), and connecting screws (19) are arranged in the threaded holes (17) and the connecting holes (18).

3. The water leakage prevention fire control valve according to claim 2, wherein the plug blocks (20) are fixedly arranged on one side surface of the installation sleeve (14), the plug grooves (21) are correspondingly formed in the inner wall of the sleeve (13), the plug blocks (20) are located in the plug grooves (21), and rubber pads (22) are arranged at the connection positions of the sleeve (13) and the installation sleeve (14).

4. The water leakage prevention fire control valve according to claim 1, wherein a transition block (23) is fixedly arranged in the middle of the valve body (1), a through hole (24) is formed in the upper end face of the transition block (23), a rubber ring (25) is arranged in the through hole (24), a sealing block (26) is fixedly arranged at the bottom of the sealing plug (5), and the sealing block (26) can enter the rubber ring (25).

5. The leakproof fire valve of claim 4, wherein the inner wall of the rubber ring (25) is provided with a first conical surface (27) at the upper end, the outer wall of the sealing block (26) is correspondingly provided with a second conical surface (28), and the inclination of the first conical surface (27) is equal to that of the second conical surface (28).

6. The water leakage prevention fire control valve according to claim 1, wherein the diameter of the outer wall of the plugging plug (5) is equal to the diameter of the inner wall of the vertical pipe (2).

7. The water leakage prevention fire control valve according to claim 1, wherein a sealing ring (29) is fixedly arranged on the upper end face of the plugging plug (5), a sealing groove (30) is formed in the lower end face of the baffle plate (3), and the sealing ring (29) is located in the sealing groove (30).

8. The water leakage prevention fire control valve according to claim 7, wherein a sealing ring (31) is arranged at the connection position of the sealing ring (29) and the sealing groove (30).